CN207304257U - A kind of steering motor - Google Patents

Abstract

The utility model discloses a kind of steering motor, it is excessive to solve temperature in the circuit box being arranged on electric machine casing outer circumferential surface, the problem of causing on circuit board component to burn causes steering motor cisco unity malfunction, it is characterized in that, including electric machine casing, the electric machine casing outer circumferential surface is equipped with circuit box, circuit board is equipped with the circuit box, cooling piece is provided with the circuit box, the cooling piece is connected by conducting wire with circuit board, required electric energy when cooling piece work is provided is connected with power supply by circuit board, a kind of steering motor disclosed in the utility model, by setting cooling piece to absorb heat in circuit box, to realize the purpose for making circuit board cool down.

Description

A kind of steering motor

Technical field

A kind of motor is the utility model is related to, more particularly to a kind of steering motor.

Background technology

Motor refers to realize electric energy conversion or a kind of calutron transmitted, its main function according to the law of electromagnetic induction It is to produce driving torque, is by controlling motor positive and inverse can as electrical appliance or various mechanical power sources, steering motor Realize the rotation direction for changing the equipment being connected with motor.

Steering motor generates the loss of form of heat when converting electric energy to mechanical energy, and this thermal losses must arrange Go out, overheat or damage to avoid machine, efficiency can be improved after discharging heat.However, some existing cooling devices are only capable of The heat that motor internal produces enough is cooled down, the circuit board in the circuit box on outside motor housing is often ignored by people, Circuit board each component temperature that works long hours in circuit box can be raised constantly, especially need large energy to drive in motor When, electric current is larger in circuit at this time, flows through that the electric current of each component is larger, and the heat of generation is more, and is produced in circuit box Heat be difficult exclude, cause circuit board for a long time work at a higher temperature, the shape for burning component occurs when serious Condition, causes motor cisco unity malfunction, therefore, mitigate fatigue wear between expansion sleeve and sprocket wheel be those skilled in the art urgently Solve the problems, such as.

Utility model content

The purpose of this utility model is to provide a kind of steering motor, temperature when can reduce steering motor work in circuit box Degree, so as to extend the service life of steering motor.

The above-mentioned technical purpose of the utility model technical scheme is that：

A kind of steering motor, including electric machine casing, the electric machine casing outer circumferential surface are equipped with circuit box, in the circuit box Equipped with circuit board, cooling piece is provided with the circuit box, the cooling piece is connected by conducting wire with circuit board, passes through circuit board Required electric energy when cooling piece work is provided is connected with power supply.

Using above-mentioned technical proposal, by setting cooling piece in circuit box, cooling piece is connected with circuit board by conducting wire, When circuit board works, there is electric current to flow through in cooling piece so that cooling piece is started to work, and is absorbed by each component work on electric current plate Make the heat produced, to realize the purpose for making circuit board cool down.

Preferably, the cassette bottom of the circuit box is provided with the boss for accepting circuit board, the boss is provided with four A, one end away from circuit box cassette bottom on four corners of circuit board, each boss is provided with limited post, the electricity respectively Four Angle Positions of road plate are both provided with the limit hole for limited post grafting.

Using above-mentioned technical proposal, the boss for being used for accepting circuit board is set by the cassette bottom in circuit box, electricity can be made Gap is left between road plate and the cassette bottom of circuit box, the ventilation of circuit board is preferable at this time, is more conducive to the heat dissipation of circuit board；In boss Upper one end away from circuit box cassette bottom sets limited post, and the limit for limited post grafting is both provided with four Angle Positions of circuit board Position hole, the position of circuit board can be limited and is installed on four boss of setting, avoid circuit board from being moved on boss.

Preferably, each position of the limited post away from board edge has a right angle to cut along the axially cutting of limited post Mouthful, the side of four right angle incisions is parallel two-by-two, the elongated setting of cooling piece, and four angles of cooling piece are connected to spacing respectively The right angle incision of column.

Using above-mentioned technical proposal, by being cut in position of each limited post away from board edge along the axial direction of limited post A right angle incision is cut so that four angles of elongated cooling piece are connected in right angle incision, to limit the position of cooling piece Put.

Preferably, the cassette bottom one end of four limited posts away from circuit box is both provided with the first screw hole, first screw hole Inside it is equipped with the first screw with the first screw hole thread fitting, the head of first screw extends and to be connected to cooling piece remote The end face of circuit board.

Using above-mentioned technical proposal, by setting the first screw hole in the cassette bottom one end of four limited posts away from circuit box, The screw with the first screw hole thread fitting is equipped with first screw hole, is extended by the head of screw and to be connected to cooling piece remote The position of cooling piece, is completely fixed by the end face of circuit board with realizing.

Preferably, being fitted with shaft in the electric machine casing, rotor is arranged with outside the shaft, is arranged outside the rotor There is stator, be wound with coil outside the stator, the circuit board is connected with coil, head of the electric machine casing away from shaft One end be provided with the first through hole worn for shaft, the afterbody of the shaft stretches out electric machine casing and is simultaneously arranged in the afterbody of shaft There is air draft flabellum.

Using above-mentioned technical proposal, is worn for shaft by being provided with the one end on head of the electric machine casing away from shaft One through hole, stretches out electric machine casing by the afterbody of shaft and is arranged air draft flabellum in the afterbody of shaft, is driven by the rotation of shaft The rotation of air draft flabellum, the heat produced is rotated so as to fulfill reducing by shaft.

Preferably, being provided with bearing between the shaft and first through hole, the outer ring of the bearing is connected to first and leads to The inner wall in hole, the inner ring of the bearing are connected to the periphery of shaft.

Using above-mentioned technical proposal, by setting bearing between shaft and first through hole, shaft can be reduced first Friction coefficient when being rotated in through hole, and ensure the rotating accuracy of shaft.

Preferably, the outside of the air draft flabellum and in being covered with exhaust hood on the position of air draft flabellum air outlet, described Some ventilation holes are provided with exhaust hood, the exhaust hood is detachably connected with electric machine casing one end equipped with first through hole.

Using above-mentioned technical proposal, by the outside of air draft flabellum and in the row of being covered with the position of air draft flabellum air outlet Fan housing, is provided with some ventilation holes on exhaust hood, it is ensured that air draft flabellum normal rotation, while air draft flabellum can be increased The safety index of rotation；It is detachably connected in exhaust hood and electric machine casing one end equipped with first through hole, facilitates air draft flabellum Maintenance.

Preferably, offering the first opening on the circuit box, it is provided with the outer circumferential surface of the exhaust hood and first Second opening of open communication.

Using above-mentioned technical proposal, by opening up the first opening on circuit box, set on the outer circumferential surface of exhaust hood with Second opening of the first open communication so that air draft flabellum, can be by the hot-air in circuit box together from air draft when rotating Discharge in cover, so as to fulfill the temperature reduced in circuit box, the further temperature for reducing circuit board.

Preferably, the edge of first opening is extended with flange into exhaust hood, the flange goes out to air draft flabellum The direction in air port is extended.

Using above-mentioned technical proposal, by the edge of the first opening into exhaust hood stretch flange formability, and flange is to air draft The direction of flabellum air outlet is extended so that the hot-air in wiring board has certain guiding role when discharging exhaust hood.

In conclusion the utility model has the advantages that：

1. by setting cooling piece in circuit box, cooling piece is connected with circuit board by conducting wire, when circuit board works, There is electric current to flow through in cooling piece so that cooling piece is started to work, and is absorbed by the heat that each component work produces on electric current plate, with Realize the purpose for making circuit board cool down.

2. by opening up the first opening on circuit box, the with the first open communication is set on the outer circumferential surface of exhaust hood Two openings so that air draft flabellum can discharge the hot-air in circuit box when rotating out of exhaust hood together, so as to fulfill The temperature in circuit box is reduced, further reduces the temperature of circuit board.

Brief description of the drawings

Fig. 1 is the scheme of installation of the utility model circuit box；

Fig. 2 is the enlarged diagram at A in Fig. 1；

Fig. 3 is the scheme of installation of circuit board and cooling piece in the present embodiment；

Fig. 4 is the enlarged diagram at B in Fig. 3；

Fig. 5 is the structure diagram of steering motor in the present embodiment；

Fig. 6 is the diagrammatic cross-section at C-C in Fig. 5；

Fig. 7 is the enlarged diagram at D in Fig. 6.

In figure：1st, electric machine casing；11st, boss；12nd, limited post；121st, right angle incision；122nd, the first screw hole；123rd, first Screw；13rd, first through hole；14th, bearing；15th, the second screw hole；16th, the second screw；17th, box lid；171st, the 4th screw；2nd, circuit Box；21st, circuit board；211st, limit hole；22nd, cooling piece；23rd, the first opening；231st, flange；24th, perforate；25th, convex block；251st, pacify Fill hole；3rd, shaft；4th, rotor；5th, stator；6th, coil；61st, conducting wire；7th, air draft flabellum；8th, exhaust hood；81st, the second opening；82、 3rd screw hole；83rd, the 3rd screw.

Embodiment

The utility model is described in further detail below in conjunction with attached drawing.

Present embodiment discloses a kind of steering motor, with reference to shown in Fig. 1 and Fig. 2, including electric machine casing 1, outside electric machine casing 1 Side face is equipped with circuit box 2, and the cassette bottom of circuit box 2 is provided with two perforation 24, is provided with and two on corresponding electric machine casing 1 Perforate 24 corresponding second screw holes 15, the second screw 16 being threadedly coupled with the second screw hole 15 is equipped with the perforation 24（Such as Shown in Fig. 4）；Circuit box 2 is provided with box lid 17 on the end face away from electric machine casing 1, box lid 17 is detachable by the 4th screw 171 It is installed on the side wall of circuit box 2.

With reference to shown in Fig. 3 and Fig. 4, circuit board 21 is equipped with circuit box 2, the cassette bottom of circuit box 2 is provided with for accepting electricity The boss 11 of road plate 21, boss 11 are provided with four, respectively away from line on four corners of circuit board 21, each boss 11 One end of 2 cassette bottom of road box is provided with limited post 12, and limited post 12 is preferably cylindrical structure, and four Angle Positions of circuit board 21 are all provided with It is equipped with the limit hole 211 for 12 grafting of limited post, 211 preferably circular setting of limit hole.

Cooling piece 22,22 elongated setting of cooling piece are additionally provided with circuit box 2, cooling piece 22 passes through conducting wire 61 and electricity Road plate 21 connects, and is connected by circuit board 21 with power supply and provides required electric energy when cooling piece 22 works；Cooling piece 22 is preferred For semiconductor thermocouple, it is made of N-type semiconductor and P-type semiconductor.Each position of the limited post 12 away from 21 edge of circuit board Axially cutting along limited post 12 has a right angle incision 121, and the side of four right angle incisions 121 is parallel two-by-two, cooling piece 22 Four angles are connected to the right angle incision 121 of limited post 12 respectively, and the cassette bottom one end of four limited posts 12 away from circuit box 2 is respectively provided with There is the first screw hole 122, the first screw 123 with 122 thread fitting of the first screw hole, the first screw are equipped with the first screw hole 122 123 head extends and is connected to end face of the cooling piece 22 away from circuit board 21, so that cooling piece 22 is fixedly mounted on circuit In box 2.

With reference to shown in Fig. 5 and Fig. 6, shaft 3 is fitted with electric machine casing 1, the head of shaft 3 extends to electric machine casing 1 Outside, shaft 3 are arranged with rotor 4 outside, and stator 5 is arranged with outside rotor 4, is wound with coil 6 outside stator 5, coil 6 passes through conducting wire 61 It is connected with circuit board 21, the through hole worn for conducting wire 61 is both provided with the outer circumferential surface of electric machine casing 1 and the cassette bottom of circuit box 2.

The one end on head of the electric machine casing 1 away from shaft 3 is provided with the first through hole 13 worn for shaft 3, the tail of shaft 3 Portion stretches out electric machine casing 1 and is arranged with air draft flabellum 7 in the afterbody of shaft 3, and bearing is provided between shaft 3 and first through hole 13 14, the outer ring of bearing 14 is connected to the inner wall of first through hole 13, and the inner ring of bearing 14 is connected to the periphery of shaft 3.

The outside of air draft flabellum 7 and in being covered with exhaust hood 8 on the position of 7 air outlet of air draft flabellum, sets on the exhaust hood 8 Some ventilation holes are equipped with, the exhaust hood 8 is detachably connected with 1 one end of electric machine casing equipped with first through hole 13, electric machine casing 1 External screw thread is provided with one end periphery of air draft flabellum 7, exhaust hood 8 is provided with internal thread, exhaust hood 8 and electric machine casing 1 thread fitting is installed.

With reference to shown in Fig. 6 and Fig. 7, the first opening 23 is offered on circuit box 2, is set on the outer circumferential surface of the exhaust hood 8 There is the second opening 81 connected with the first opening 23, the edge of the first opening 23 is extended with flange 231 into exhaust hood 8, described The direction of flange 231 to 7 air outlet of air draft flabellum is extended.

As shown in Fig. 2, circuit box 2 is provided with convex block 25 close to the position of 8 end of exhaust hood, installation is provided with convex block 25 Hole 251, the outer circumferential surface of the exhaust hood 8 are provided with the 3rd screw hole 82 corresponding to the position of mounting hole 251, are worn in mounting hole 251 Equipped with the 3rd screw 83 being threadedly coupled with screw hole.

Power in use, circuit board 21 is connected with power supply to coil 6, rotate the shaft 3 in electric machine casing 1, meanwhile, system Cold 22 energization work, consumption of calorie while heat is absorbed of cooling piece 22 so that the temperature of circuit board 21 reduces；At this time, The shaft 3 of steering motor rotates, and drives air draft flabellum 7 to rotate, so that the heat in the circuit box 2 and exhaust hood 8 of connection is empty Gas is expelled to outside exhaust hood 8, so as to the temperature reduced in steering motor and circuit box 2 be realized, so as to extend making for steering motor Use the service life.

This specific embodiment is only explanation to the utility model, it is not the limitation to the utility model, ability Field technique personnel as needed can make the present embodiment the modification of no creative contribution after this specification is read, but As long as all protected in the right of the utility model be subject to Patent Law.

Claims (9)

1. a kind of steering motor, including electric machine casing（1）, the electric machine casing（1）Outer circumferential surface is equipped with circuit box（2）, it is described Circuit box（2）It is interior to be equipped with circuit board（21）, it is characterized in that：The circuit box（2）In be provided with cooling piece（22）, the cooling piece （22）Pass through conducting wire（61）With circuit board（21）Connection, passes through circuit board（21）It is connected with power supply and cooling piece is provided（22）During work Required electric energy.

2. a kind of steering motor according to claim 1, it is characterized in that：The circuit box（2）Cassette bottom be provided with and be used for Accept circuit board（21）Boss（11）, the boss（11）Four are provided with, respectively positioned at circuit board（21）Four corners, Each boss（11）Upper remote circuit box（2）One end of cassette bottom is provided with limited post（12）, the circuit board（21）Four angles Position is both provided with for limited post（12）The limit hole of grafting（211）.

3. a kind of steering motor according to claim 2, it is characterized in that：Each limited post（12）Away from circuit board（21）Side The position of edge is along limited post（12）Axially cutting have a right angle incision（121）, four right angle incisions（121）Side put down two-by-two OK, cooling piece（22）Elongated setting, cooling piece（22）Four angles be connected to limited post respectively（12）Right angle incision （121）.

4. a kind of steering motor according to claim 3, it is characterized in that：Four limited posts（12）Away from circuit box（2）'s Cassette bottom one end is both provided with the first screw hole（122）, first screw hole（122）Inside it is equipped with and the first screw hole（122）Screw thread is matched somebody with somebody The first screw closed（123）, first screw（123）Head extend and be connected to cooling piece（22）Away from circuit board（21） End face.

5. a kind of steering motor according to claim 4, it is characterized in that：The electric machine casing（1）Inside it is fitted with shaft （3）, the shaft（3）It is arranged with rotor outside（4）, the rotor（4）It is arranged with stator outside（5）, the stator（5）It is wound with outside Coil（6）, the circuit board（21）With coil（6）It is connected, the electric machine casing（1）Away from shaft（3）Head one end It is provided with and supplies shaft（3）The first through hole worn（13）, the shaft（3）Afterbody stretch out electric machine casing（1）And in shaft（3） Afterbody be arranged with air draft flabellum（7）.

6. a kind of steering motor according to claim 5, it is characterized in that：The shaft（3）With first through hole（13）Between It is provided with bearing（14）, the bearing（14）Outer ring be connected to first through hole（13）Inner wall, the bearing（14）Inner ring It is connected to shaft（3）Periphery.

7. a kind of steering motor according to claim 6, it is characterized in that：The air draft flabellum（7）Outside and in air draft Flabellum（7）Exhaust hood is covered with the position of air outlet（8）, the exhaust hood（8）On be provided with some ventilation holes, the exhaust hood （8）With equipped with first through hole（13）Electric machine casing（1）One end is detachably connected.

8. a kind of steering motor according to claim 7, it is characterized in that：The circuit box（2）On offer the first opening （23）, the exhaust hood（8）Outer circumferential surface on be provided with and first opening（23）Second opening of connection（81）.

9. a kind of steering motor according to claim 8, it is characterized in that：First opening（23）Edge to exhaust hood （8）Inside it is extended with flange（231）, the flange（231）To air draft flabellum（7）The direction of air outlet is extended.